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Finding the Fourth Proportional to 7,903,402.59, 10,905,861.02 and 4,464,979.59

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Solution

The fourth proportional to 7,903,402.59, 10,905,861.02 and 4,464,979.59 is: 6,161,200.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,903,402.59 : 10,905,861.02 = 4,464,979.59 : x
  2. Step 2: Convert to fraction form
    7,903,402.59/10,905,861.02 = 4,464,979.59/x
  3. Step 3: Cross multiply
    7,903,402.59x = 10,905,861.02 × 4,464,979.59
  4. Step 4: Simplify right side
    7,903,402.59x = 48,694,446,843,351.69
  5. Step 5: Solve for x
    x = 48,694,446,843,351.69/7,903,402.59
  6. Step 6: Final answer
    x = 6,161,200.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.